ASME B31.8-2022 Ed. Par. 812, (2nd Par.), indicates that a fracture control program shall be established for minimum design temperatures below -20°F and the program shall address circumferential butt welds and HAZs among other welds and materials. The next paragraph in Par. 812 indicates to see...
Thank you for your reply. I figured that there was more base metal dilution in root tensiles due to the smaller distance between each base metal test piece at this location. I understand the concerns with CVN testing in HAZ.
I found a plot for stress vs. LMP for a low carbon steel which was...
I have a current project to qualify ASTM A694, F65, Q&T to itself with PWHT in accordance with B31.3-2020 Ed. Min. UTS of this material is 77 ksi. The 1st qualification used base metal with a tempering temperature of 1000F. Therefore, PWHT was performed at 950F for 11 hrs. Filler metal used...
